package com.ruoyi.common.utils;

import java.math.BigDecimal;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PriceUtil {
	
	  /**
     * 汉语中数字大写
     */
    private static final String[] CN_UPPER_NUMBER = { "零", "壹", "贰", "叁", "肆",
            "伍", "陆", "柒", "捌", "玖" };
    /**
     * 汉语中货币单位大写，这样的设计类似于占位符
     */
    private static final String[] CN_UPPER_MONETRAY_UNIT = { "分", "角", "元",
            "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟", "兆", "拾",
            "佰", "仟" };
    /**
     * 特殊字符：整
     */
    private static final String CN_FULL = "整";
    /**
     * 特殊字符：负
     */
    private static final String CN_NEGATIVE = "负";
    /**
     * 金额的精度，默认值为2
     */
    private static final int MONEY_PRECISION = 2;
    /**
     * 特殊字符：零元整
     */
    private static final String CN_ZEOR_FULL = "零元" + CN_FULL;

	/**  
     * 将元为单位的转换为分 
     * 替换小数点
     * @param amount 
     * @return 
     */  
    public static Long convertYuanToFen(String amount){ 
    	Long amLong = 0l; 
    	if(StringUtil.isEmpty(amount)){
    		return amLong;
    	}
    	
    	if(StringUtil.isEmpty(amount)){
    		amount = "";
    	} 
        int index = amount.indexOf(".");  
        int length = amount.length();  
        
        if(index == -1){  
            amLong = Long.valueOf(amount+"00");  
        }else if(length - index >= 3){  
            amLong = Long.valueOf((amount.substring(0, index+3)).replace(".", ""));  
        }else if(length - index == 2){  
            amLong = Long.valueOf((amount.substring(0, index+2)).replace(".", "")+0);  
        }else{  
            amLong = Long.valueOf((amount.substring(0, index+1)).replace(".", "")+"00");  
        }  
        return amLong;  
    }  
	
    /**  
     * 分转换为元.  
     * @param fen    分  
     * @return 元  
     */  
    public static String convertFenToYuan(final String fen) {  
    	String yuan = "0.00"; 
    	if(StringUtil.isEmpty(fen)){
    		return yuan;
    	}
        String transFen = fen;
        boolean isMinus = fen.startsWith("-");
        if(isMinus){
        	transFen = fen.substring(1, fen.length());
        }
        final int MULTIPLIER = 100;  
        Pattern pattern = Pattern.compile("^[1-9][0-9]*{1}");  
        Matcher matcher = pattern.matcher(transFen);  
        if (matcher.matches()) {  
            yuan = new BigDecimal(transFen).divide(new BigDecimal(MULTIPLIER)).setScale(2).toString();
            if(isMinus){
            	yuan = "-"+yuan;
            }
        } else {  
        	yuan = "0.00";    
        }  
        return yuan;  
    }  
    
    /**  
     * 分转换为元(取整).  
     * @param fen    分  
     * @return 元  
     */  
    public static String convertFenToCeilYuan(final String fen) {  
    	String yuan = "0"; 
    	if(StringUtil.isEmpty(fen)){
    		return yuan;
    	}
        String transFen = fen;
        boolean isMinus = fen.startsWith("-");
        if(isMinus){
        	transFen = fen.substring(1, fen.length());
        }
        final int MULTIPLIER = 100;  
        Pattern pattern = Pattern.compile("^[1-9][0-9]*{1}");  
        Matcher matcher = pattern.matcher(transFen);  
        if (matcher.matches()) {  
            yuan = new BigDecimal(transFen).divide(new BigDecimal(MULTIPLIER)).setScale(0).toString();
            if(isMinus){
            	yuan = "-"+yuan;
            }
        } else {  
        	yuan = "0";    
        }  
        return yuan;  
    }  
    
    /**  
     * 分转换为元.  
     * @param fen    分  
     * @return 元  
     */  
    public static String convertFenToYuanNoZero(final Long fen) { 
    	String yuan = "0"; 
    	if(StringUtil.isEmpty(fen)){
    		return yuan;
    	}else{
    		yuan = String.valueOf((int)Math.floor(fen/100));
    	}
    	
        return yuan;  
    } 
    
    /**
     * 把输入的金额转换为汉语中人民币的大写
     * @param money 输入的金额
     * @return 对应的汉语大写
     */
    public static String number2CNMontrayUnit(String money) {
    	BigDecimal numberOfMoney = new BigDecimal(money);
        StringBuffer sb = new StringBuffer();
        // -1, 0, or 1 as the value of this BigDecimal is negative, zero, or
        // positive.
        int signum = numberOfMoney.signum();
        // 零元整的情况
        if (signum == 0) {
            return CN_ZEOR_FULL;
        }
        // 这里会进行金额的四舍五入
        long number = numberOfMoney.movePointRight(MONEY_PRECISION)
                .setScale(0, 4).abs().longValue();
        // 得到小数点后两位值
        long scale = number % 100;
        int numUnit = 0;
        int numIndex = 0;
        boolean getZero = false;
        // 判断最后两位数，一共有四中情况：00 = 0, 01 = 1, 10, 11
        if (!(scale > 0)) {
            numIndex = 2;
            number = number / 100;
            getZero = true;
        }
        if ((scale > 0) && (!(scale % 10 > 0))) {
            numIndex = 1;
            number = number / 10;
            getZero = true;
        }
        int zeroSize = 0;
        while (true) {
            if (number <= 0) {
                break;
            }
            // 每次获取到最后一个数
            numUnit = (int) (number % 10);
            if (numUnit > 0) {
                if ((numIndex == 9) && (zeroSize >= 3)) {
                    sb.insert(0, CN_UPPER_MONETRAY_UNIT[6]);
                }
                if ((numIndex == 13) && (zeroSize >= 3)) {
                    sb.insert(0, CN_UPPER_MONETRAY_UNIT[10]);
                }
                sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);
                sb.insert(0, CN_UPPER_NUMBER[numUnit]);
                getZero = false;
                zeroSize = 0;
            } else {
                ++zeroSize;
                if (!(getZero)) {
                    sb.insert(0, CN_UPPER_NUMBER[numUnit]);
                }
                if (numIndex == 2) {
                    if (number > 0) {
                        sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);
                    }
                } else if (((numIndex - 2) % 4 == 0) && (number % 1000 > 0)) {
                    sb.insert(0, CN_UPPER_MONETRAY_UNIT[numIndex]);
                }
                getZero = true;
            }
            // 让number每次都去掉最后一个数
            number = number / 10;
            ++numIndex;
        }
        // 如果signum == -1，则说明输入的数字为负数，就在最前面追加特殊字符：负
        if (signum == -1) {
            sb.insert(0, CN_NEGATIVE);
        }
        // 输入的数字小数点后两位为"00"的情况，则要在最后追加特殊字符：整
        if (!(scale > 0)) {
            sb.append(CN_FULL);
        }
        return sb.toString();
    }
    
    
	
	public static void  main(String[] age){
//		System.out.println(convertFenToYuan("-1000"));
//		System.out.println(convertFenToYuanNoZero(12000L));
		
		String money = "3082023.66";
        String s = number2CNMontrayUnit(money);
        System.out.println("你输入的金额为：【" + money + "】   #--# [" + s.toString()
                + "]");
		
 	}
}
